Official MCP RegistryHosted serverpotto.app

Potto Japan

Serves an authoritative, JLPT-graded Japanese language dataset — kanji, vocabulary, grammar, and history — via MCP and REST.

Connect to Claude Code

Copy

claude mcp add --transport http potto-japan https://potto.app/mcp

Vendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.

Endpoints

Published in the official MCP registry as “Potto Japan”. Verified through the vendor namespace.